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SİSMİK TEHLİKE ANALİZ YÖNTEMLERİNİN ÜLKEMİZDEKİ BÜYÜK BETON BARAJLARIN TOPLAM RİSKİ ÜZERİNDEKİ ETKİSİ

INFLUENCE OF ANALYSIS METHODS FOR SEISMIC HAZARD ON TOTAL RISK OF LARGE CONCRETE DAMS IN TURKEY

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Abstract (2. Language): 
The risk classification system is an important guide for dam safety officials to select appropriate evaluation procedures and to assign priorities for seismic safety evaluations of the most critical dams. In this study, general evaluation of total risk analysis is performed and effect of different seismic hazard methods (deterministic and probabilistic) on risk calculations is investigated. For this purpose, fourteen concrete dams with a structural height ranging from 14.5 to 186 m are taken into consideration. Both deterministic and probabilistic seismic hazard analyses show that 50 percent of dams have high-risk class and reminders have moderate-risk class.
Abstract (Original Language): 
Risk sınıflama sistemi, uygun sismik parametrelerinin seçiminde baraj güvenliği çalışanları için önemli bir rehber olarak değerlendirilmekte kritik baraj projelerinin güvenlik değerlendirmelerinde öncelik sağlamaktadır. Bu çalışmada, baraj yapıları için toplam risk analizin genel bir değerlendirmesi yapılmış ve farklı sismik tehlike analizlerinin (deterministik ve olasılıksal), risk hesapları üzerindeki etkisi araştırılmıştır. Bu amaçla ülkemizde yüksekliği 14,5 ile 186 m arasında değişen 14 adet beton baraj dikkate alınmıştır. Gerek deterministik gerekse olasılıksal esaslı değerlendirme sonucuna göre barajların %50’sinin orta risk sınıfı içine girdiği, geri kalanının ise yüksek risk sınıfına sahip olduğu görülmüştür.
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